Why does Google shut down products?

Matt, we often hear about Google “killing off” products. Why do you guys do this? Are you just being mean or “out to get” us SEOs? Sounds like there is something bigger going on. Could you please elaborate? Aaron Friedman, Chicago, IL Have a question? Ask it in our Webmaster Help Forum: groups.google.com Want your question to be answered on a video like this? Follow us on Twitter and look for an announcement when we take new questions: twitter.com More videos: www.youtube.com Webmaster Central Blog: googlewebmastercentral.blogspot.com Webmaster Central: www.google.com